**1**To solve problematic situations using the Thales Theorem, discovering inaccessible measures.**1.1**To deduce the Thales Theorem and its applications, based on the making of conjectures.**1.2**Understand the need to measure heights and lengths without access to measurement instruments.**1.3**Identify, in your environment, parallel lines intersected by secant lines.**1.4**Graphically represent parallel lines that are intersected by secant lines.**1.5**Measure segments formed between each secant line, intersected by parallel lines.**1.6**Build conjectures relating each measurement of the segments formed between each secant line intersected by parallel lines.**1.7**Recognize the Thales Theorem formulation and relate it to the conjectures raised.**1.8**Represent the Thales Theorem through an interactive program. SCO: Use the Pythagorean Theorem in problems associated with the Thales Theorem.

**2**To apply the Pythagorean and Thales Theorems to resolve problematic situations.**2.1**Recognize the Pythagorean Theorem.**2.2**Verify the Pythagorean Theorem.**2.3**Identify situations where the Pythagorean and Thales Theorems are applied.**2.4**Use the Pythagorean Theorem to infer the data of a situation. SCO: Recognize the applications of Thales-uni-2019 Theorem.

**3**To find the measurement of an immerse segment in a context by using the Thales Theorem.**3.1**By means of an experimental activity, find the height of an inaccessible object.**3.2**Recognize the utility of the Thales Theorem to determine a segment-uni-2019s length, if the corresponding segment and the ratio between them are known.**3.3**Identify the likelihood of measuring the height and length of inaccessible objects, using the Thales Theorem.**3.4**Recognize problematic measurement situations where the Thales Theorem can be used as a solution strategy.

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